What was found
ON RECALL, FORWARD CABIN ZONE TEMP LIGHT ILLUMINATED. ACFT GROUNDED. REMOVED AND REPLACED FWD CABIN ZONE TRIM AIR MODULATING VALVE IAW AMM 21-61-21. OPS AND LEAK CHECKED GOOD. ALL BITE TESTS PASSED, NO FAULTS.
- Difficulty date
- July 18, 2017
- Submitted
- July 20, 2017
- Operation
- Air carrier
- Aircraft
- N566AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35182
- Aircraft time
- 40,363 hours, 12,090 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 9186
- Condition
- Failed
- Location
- Rt A/C Pack
- Part time
- 40,382 hours, 12,096 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.